34 KEY TO THE FAMILIES. 



Stipules absent ; sepals 4-5 ; corolla rotate, 4-5-lobed ; 

 ovary 3-5-celled, with 1 pendulous ovule in each 

 cell ; stigmas 3-5, sessile ; berry ; leaves opposite, 



pinnate; small trees or shrubs (Elder) Caprifoliaceae 109 



K. Stamens fewer than the corolla -lobes ; ovary with 1 

 fertile cell and I pendulous ovule ; flowers irregular ; 

 herbs with opposite leaves ; style 1. 

 Ovary 3-celled, but 2 cells abort and only 1 

 produces a seed ; sepals 5, or scarcely apparent ; 

 corolla with 5, sometimes almost equal spreading 



lobes ; stamens 1-3 (Cornsalad) Valerianaceae 110, 



Ovary 1 -celled ; calyx 5-toothed, united at base with 

 the ovary and with a ribbed outer calyx or involucel ; 

 corolla 5-lobed ; stamens 4 ; fruit indehiscent ; 



flowers in a head (Purple Pincushion) Dipsacaceae 111. 



J. Stamens connivent round the style or united by their 

 anthers. 

 L. Order Cucurbitales. Flowers regular, unisexual ; 

 calyx 5-toothed ; corolla 5-lobed ; stamens 5, at the 

 base of the corolla-tube, but apparently 3, 1 of them 

 with a single anther and the 2 others with 2 united 

 anthers each ; ovary 3-celled, usually with numerous 

 ovules on apparently parietal placentas ; fruit a 

 berry, often with a hard rind ; herbs, often climbing 



by tendrils (Cucumber Family) Cucurbitaceae 112. 



L. Order Campanulatae. Anthers connivent or united ; 

 style 1. 

 M. Style with 2-5 stigmas ; flowers bisexual, regular 

 or irregular ; sepals usually 5 ; corolla usually 5- 

 lobed, slit on one side in some genera ; stamens 

 on corolla-tube and alternate with the lobes ; 

 ovary 2-5-celled with many ovules in each cell ; 

 capsule, rarely a berry ; seeds albuminous ; herbs 



(Bluebell, Lobelia) Campanulaceae 113. 



M. Style with a cup-shaped or 2-lipped indusium con- 

 taining the stigma ; flowers bisexual. 

 Flowers irregular ; sepals 5 ; corolla with 5 winged 

 lobes, the tube slit open on one side ; anthers 5 ; 

 ovary 1-2-celled, more or less inferior; cap- 

 sule, drupe or nut ; seeds albuminous ; herbs 



or undershrubs Goodeniaceae 1 14. 



Flowers almost regular, in heads ; calyx 5-lobed ; 

 corolla cylindrical, with 5 nearly equal lobes, 

 hypogynous ; anthers 5, united ; ovary superior, 

 1 -celled ; nut ; seed exalbuminous ; herb (Blue 



Pincushion) Brunoniaceae 115. 



M. Style connate with the filaments in a usually irritable 

 column ; flowers irregular, bisexual ; sepals 5 ; 

 corolla 5-lobed, the 5th lobe minute ; stamens 

 2 ; ovary 1-2-celled ; capsule ; seeds albu- 

 minous ; herbs (Trigger plant) Stylidiaceae 116. 



M. Style bifid, surrounded by the usually united 

 a nthers ; flowers regular or irregular, bisexual 

 orunisexual, in head surrounded by an involucre 

 of bracts ; calyx represented by bristles, spines, 

 or scales (pappus) ; corolla 4-5-toothed ; stamens 

 4-5, on the corolla-tube ; ovary 1 -celled, 1- 

 ovuled ; achene ; seeds exalbuminous ; herbs 

 or shrubs (Daisy, Aster, Everlasting) Compositae 117. 



